svn commit: samba r4289 - branches/SAMBA_3_0/source/lib trunk/source/lib

[Volker Lendecke]

On Tue, Dec 21, 2004 at 07:44:03AM -0500, David Collier-Brown wrote:
> Volker Lendecke wrote:
> >Anybody out here who knows the standard way to detect a socket who is not
> >connected anymore just because the other end has closed the connection?
> 
> 	The traditional ARPA approach is to send a no-op, and
> 	see if the machine at the other end responds. This
> 	is done IFF a delay is unacceptable: if you can wait,
> 	you issue a read and wait for it to come back. This
> 	is to allow resilience during temporary network outages.
> 
> 	All the old protocols like ftp, smtp, etc. have either
> 	explicit no-ops or implicit ones, harmless operations.

This is just not possible, I'm talking about the socket inside an LDAP RFC API
struct. I can't just read from that socket, as this would kill the LDAP data
stream.

Volker
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